Brazilian vehicle registration plates have a two-letter code at the top indicating their state (estado) of registration (as below), followed by the municipality of registration in full text:

• AL - Alagoas
• AM - Amazonas
• AP - Amapá
• AR - Acre

• BA - Bahia

• CE - Ceará

• DF - Distrito Federal [Brasilia; Rio de Janeiro before 1960]

• ES - Espirito Santo

• FN - Fernando do Noronha

• GB - Guanabara; replaced in 1976 by RJ
• GO - Goiás

• MA - Maranhão
• MG - Minas Gerais
• MS - Mato Grosso do Sul
• MT - Mato Grosso

• PA - Pará
• PB - Paraiba
• PE - Pernambuco
• PI - Piaui
• PR - Paraná

• RJ - Rio do Janeiro
• RN - Rio Grande do Norte
• RO - Rondônia
• RR - Roraima
• RS - Rio Grande do Sul

• SC - Santa Catarina
• SE - Sergipe
• SP - São Paolo

• TO - Tocantins